What is the value of x?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.